How do you say have fun in hawiian?

There isn't a single perfect translation for "have fun" in Hawaiian. It depends on the context and what you're trying to convey. Here are some options:

Formal:

* E ʻoluʻolu e leʻaleʻa. (Please enjoy yourself.)

* E hauʻoli. (Have a good time.)

Informal:

* E leʻaleʻa! (Have fun!)

* E hauʻoli! (Enjoy yourself!)

* Mālama pono! (Take care!)

* Aloha! (Love!)

Specific activities:

* E ʻoluʻolu e hele i ka ʻaukai. (Please go swimming.)

* E ʻoluʻolu e hoʻokani i ka ukulele. (Please play the ukulele.)

Ultimately, the best way to say "have fun" in Hawaiian depends on your specific situation and the tone you want to convey.